"Java's 32-bit vs. 64-bit Performance: An Empirical Study"
It shows benchmarks for SPECjvm2008 on Windows/Linux, confirming that 32-bit can outperform 64-bit for CPU-bound tasks due to reduced memory traffic. 32 bits java
Authors: S. M. Mostafa, S. M. R. Islam (2014), International Journal of Computer Applications (Free on researchgate.net) "Java's 32-bit vs